McDonald observatory | Photos by Kay and Kevin Rolfes

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Photo albums / Travel and camping / Big Bend and Davis Mountains / McDonald Observatory and Davis Mountains Drive /

McDonald observatory

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✔ Automatic

✔ XXS - tiny (379 x 360)
✔ XS - extra small (512 x 486)
✔ S - small (569 x 540)
✔ M - medium (632 x 600)
✔ Original (799 x 758)

McDonald observatory